Chevrolet Cobalt Fuel/propulsion System Problems

Source: NHTSA · Updated Aug 15, 2026 · 1,107 complaints analyzed

Owners have filed 1,107 complaints with NHTSA about fuel/propulsion system problems on the Chevrolet Cobalt across 8 model years. The 2007 model year has the most (283). The words owners use most often: “fuel pump” (31% of reports).

What owners describe

Phrases that appear unusually often in these complaints compared with complaints about other cars.

  • Fuel pump: mentioned in 344 of 1,107 complaints (31%)
  • Strong odor: mentioned in 73 of 1,107 complaints (7%)
  • Gasoline delivery: mentioned in 65 of 1,107 complaints (6%)
  • Gas leak: mentioned in 60 of 1,107 complaints (5%)

How much does it cost to fix?

Owners who wrote down what they paid or were quoted put the typical fuel/propulsion system repair on the Chevrolet Cobalt at $1,000, and half of them between $830 and $1,250.

Based on 60 NHTSA complaints about this problem alone that state a repair bill or quote (2012–2024), converted to 2026 dollars with the U.S. consumer price index. These are owners' own figures, not a quote: they include dealer quotes, and owners who file complaints often faced larger repairs, so they can run higher than typical shop prices. Prices vary by shop, region and warranty coverage. How we calculate this.

At what mileage do fuel/propulsion system problems happen?

Based on 857 complaints that reported the odometer reading.

Under 10k miles8 · 1%
10k–25k miles13 · 2%
25k–50k miles48 · 6%
50k–75k miles146 · 17%
75k–100k miles212 · 25%
100k–150k miles317 · 37%
150k+ miles113 · 13%

How serious are the reports?

Of 1,107 complaints, 5 mention a crash, 18 a fire, 3 an injury.

Chevrolet Cobalt fuel/propulsion system complaints by model year

Peak: 2007, with 283 complaints
2000: 1200012005: 382005382006: 25520062552007: 28320072832008: 20220082022009: 22620092262010: 10120101012016: 120161

n = 1,107 complaints · Source: NHTSA

Model yearFuel/propulsion System complaintsShare of that yearMedian miles
2016 Cobalt1100%200,000
2010 Cobalt10118%104,000
2009 Cobalt22632%97,454
2008 Cobalt20224%103,000
2007 Cobalt28318%95,500
2006 Cobalt25511%99,433
2005 Cobalt382%109,000
2000 Cobalt1100%—

When owners reported it

Peak: 2012, with 215 complaints
2012: 21520122152013: 56562014: 762014762015: 1111112016: 972016972017: 1051052018: 10720181072019: 77772020: 12020201202021: 78782022: 312022312023: 19192024: 8202482025: 552026: 220262

n = 1,107 complaints · Source: NHTSA

Related recalls (0)

No safety recall lists fuel/propulsion system for the Chevrolet Cobalt. A pattern of complaints does not always lead to a recall.

What owners report

Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.

Fuel Leak it smells and leaks it seems to be coming from the gas tank and sometimes I get random electric failure when I'm driving I lose power steering and My brakes get stiff and hard to push down and my dash will go Off and then go crazy and show that i have no gas

Received Jul 3, 2026 · NHTSA complaint 11748103

I observed my mother’s 2007 Chevy Cobalt was leaking fuel near the rear tire by the fuel tank. I inspected the tank with engine off and it does not leak. Only with engine running. I lowered the tank and observed a small crack on the plastic return line on the fuel pump module. I started looking…

Received Apr 15, 2026 · NHTSA complaint 11731276

Fuel lines leak around fuel tank, causing a fuel smell around the vehicle and a major fire hazard

Received Oct 31, 2025 · NHTSA complaint 11696707

Air bag says it needs serviced Gas gadge is all over the place hard to tell how much gas I actually have in my tank.

Received Sep 13, 2025 · NHTSA complaint 11687046

The fuel tank has an evap leak that somehow breaks on top the tank so it leaks the gas vapors and could potentially start a fire but the part that breaks is a non serviceable part so it can’t be fixed without purchasing a whole new gas tank that isn’t cheap. My other concern is the infamous…

Received Jul 13, 2025 · NHTSA complaint 11673114
Chevrolet Cobalt
2005-2007 Chevrolet Cobalt photographed in USA.. Representative photo; appearance varies by model year. Photo: IFCAR, Public domain, via Wikimedia Commons.

Frequently asked questions

Do all Chevrolet Cobalts have fuel/propulsion system problems?

No. NHTSA has 1,107 owner complaints about fuel/propulsion system for the Chevrolet Cobalt. Complaint data shows that the problem is reported, not how many of all cars sold are affected.

Was there a recall on the Chevrolet Cobalt fuel/propulsion system?

No recall currently lists fuel/propulsion system for this vehicle.

How much does it cost to fix fuel/propulsion system problems on the Chevrolet Cobalt?

Owners report a typical cost of $1,000 (half paid between $830 and $1,250), from 60 complaints that state a repair bill or quote, in 2026 dollars.

What do owners say about fuel/propulsion system problems on the Chevrolet Cobalt?

The most frequent phrase is “fuel pump”, in 344 of 1,107 complaints, followed by “strong odor” (73).

Other Chevrolet Cobalt problems

See all Chevrolet Cobalt problems.